{% extends "tutorial.html" %}

{% block head %}
<script>
function customPrettyPrintLanguage() {
  PR['registerLangHandler'](                                                                                                       
    PR['createSimpleLexer'](
      [],
      [
        [PR['PR_PUNCTUATION'], /^;/],
        [PR['PR_TYPE'], /(default|script|object|style|img|media|frame|font|connect|)-src/],
        [PR['PR_TYPE'], /(form-action|sandbox|script-nonce|plugin-types|frame-options|report-uri)/],
        [PR['PR_STRING'], /^'(?:[^']|'')*(?:'|$)/],
        [PR['PR_KEYWORD'], /^[a-zA-Z-]+:[ \r\n]/],
        [PR['PR_PLAIN'], /^\w+/]
      ]), ['csp']);
}
</script>
{% endblock %}

{% block iscompatible %}
{% endblock %}

{% block html5badge %}
<!--
<img src="/static/images/identity/html5-badge-h-multimedia.png" width="133" height="64" alt="This article is powered by HTML5 Graphics, 3D &amp; Effects" title="This article is powered by HTML5 Graphics, 3D &amp; Effects" />
-->
{% endblock %}

{% block content %}

